	function validate(){
		if (document.form.title.value==""){
			alert('Please complete the form!');
			return false;
		} else {
			return true;
		}
	}

	function checkAll() {
		for (i=0; i < document.form.elements.length; i++) {
			if (document.form.elements[i].name == 'id[]') {
				document.form.elements[i].checked = document.form.toggle.checked;
			}
		}
	}

	function confirm_delete() {
		if (confirm ("Are you sure?")) {
			return true;
		} else {
			return false;
		}
	}

// bbCode control

// Startup variables
var imageTag = false;
var theSelection = false;

// Check for Browser & Platform for PC & IE specific bits
// More details from: http://www.mozilla.org/docs/web-developer/sniffer/browser_type.html
var clientPC = navigator.userAgent.toLowerCase(); // Get client info
var clientVer = parseInt(navigator.appVersion); // Get browser version

var is_ie = ((clientPC.indexOf("msie") != -1) && (clientPC.indexOf("opera") == -1));
var is_nav  = ((clientPC.indexOf('mozilla')!=-1) && (clientPC.indexOf('spoofer')==-1)
                && (clientPC.indexOf('compatible') == -1) && (clientPC.indexOf('opera')==-1)
                && (clientPC.indexOf('webtv')==-1) && (clientPC.indexOf('hotjava')==-1));

var is_win   = ((clientPC.indexOf("win")!=-1) || (clientPC.indexOf("16bit") != -1));
var is_mac    = (clientPC.indexOf("mac")!=-1);

// Helpline messages
b_help = "Bold text: [b]text[/b]  (alt+b)";
i_help = "Italic text: [i]text[/i]  (alt+i)";
u_help = "Underline text: [u]text[/u]  (alt+u)";
g_help = "Big text: [big]text[/big]  (alt+g)";
m_help = "Small text: [small]text[/small]  (alt+m)";
e_help = "Emphasized text: [em]text[/em] (alt+e)";
t_help = "Strong text: [strong]text[/strong]  (alt+t)";
p_help = "Insert image: [img]http://image_url[/img]  (alt+p)";
w_help = "Insert URL: [url]http://url[/url] or [url=http://url]URL text[/url]  (alt+w)";
a_help = "Close all open bbCode tags";
s_help = "Font color: [color=red]text[/color]  Tip: you can also use color=#FF0000";
f_help = "Font size: [size=x-small]small text[/size]";

// Define the bbCode tags
bbcode = new Array();
bbtags = new Array('[b]','[/b]','[i]','[/i]','[u]','[/u]','[big]','[/big]','[small]','[/small]','[em]','[/em]','[strong]','[/strong]','[img]','[/img]','[url]','[/url]');
imageTag = false;

// Shows the help messages in the helpline window
function helpline(help) {
	document.form.helpbox.value = eval(help + "_help");
}


// Replacement for arrayname.length property
function getarraysize(thearray) {
	for (i = 0; i < thearray.length; i++) {
		if ((thearray[i] == "undefined") || (thearray[i] == "") || (thearray[i] == null))
			return i;
		}
	return thearray.length;
}

// Replacement for arrayname.push(value) not implemented in IE until version 5.5
// Appends element to the array
function arraypush(thearray,value) {
	thearray[ getarraysize(thearray) ] = value;
}

// Replacement for arrayname.pop() not implemented in IE until version 5.5
// Removes and returns the last element of an array
function arraypop(thearray) {
	thearraysize = getarraysize(thearray);
	retval = thearray[thearraysize - 1];
	delete thearray[thearraysize - 1];
	return retval;
}

function bbstyle(bbnumber) {

	donotinsert = false;
	theSelection = false;
	bblast = 0;

	if (bbnumber == -1) { // Close all open tags & default button names
		while (bbcode[0]) {
			butnumber = arraypop(bbcode) - 1;
			document.form.content.value += bbtags[butnumber + 1];
			buttext = eval('document.form.addbbcode' + butnumber + '.value');
			eval('document.form.addbbcode' + butnumber + '.value ="' + buttext.substr(0,(buttext.length - 1)) + '"');
		}
		imageTag = false; // All tags are closed including image tags :D
		document.form.content.focus();
		return;
	}

	if ((clientVer >= 4) && is_ie && is_win)
		theSelection = document.selection.createRange().text; // Get text selection

	if (theSelection) {
		// Add tags around selection
		document.selection.createRange().text = bbtags[bbnumber] + theSelection + bbtags[bbnumber+1];
		document.form.content.focus();
		theSelection = '';
		return;
	}

	// Find last occurance of an open tag the same as the one just clicked
	for (i = 0; i < bbcode.length; i++) {
		if (bbcode[i] == bbnumber+1) {
			bblast = i;
			donotinsert = true;
		}
	}

	if (donotinsert) {		// Close all open tags up to the one just clicked & default button names
		while (bbcode[bblast]) {
				butnumber = arraypop(bbcode) - 1;
				document.form.content.value += bbtags[butnumber + 1];
				buttext = eval('document.form.addbbcode' + butnumber + '.value');
				eval('document.form.addbbcode' + butnumber + '.value ="' + buttext.substr(0,(buttext.length - 1)) + '"');
				imageTag = false;
			}
			document.form.content.focus();
			return;
	} else { // Open tags

		if (imageTag && (bbnumber != 14)) {		// Close image tag before adding another
			document.form.content.value += bbtags[15];
			lastValue = arraypop(bbcode) - 1;	// Remove the close image tag from the list
			document.form.addbbcode14.value = "Img";	// Return button back to normal state
			imageTag = false;
		}

		// Open tag
		document.form.content.value += bbtags[bbnumber];
		if ((bbnumber == 14) && (imageTag == false)) imageTag = 1; // Check to stop additional tags after an unclosed image tag
		arraypush(bbcode,bbnumber+1);
		eval('document.form.addbbcode'+bbnumber+'.value += "*"');
		document.form.content.focus();
		return;
	}
	storeCaret(document.form.content);
}

// Insert at Claret position
function storeCaret(textEl) {
	if (textEl.createTextRange) textEl.caretPos = document.selection.createRange().duplicate();
}